chore(dev-deps): update storybook monorepo to v6.5.0-alpha.60

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@storybook/addon-docs	6.5.0-alpha.59 -> 6.5.0-alpha.60
@storybook/addon-essentials	6.5.0-alpha.59 -> 6.5.0-alpha.60
@storybook/addon-storysource	6.5.0-alpha.59 -> 6.5.0-alpha.60
@storybook/addons	6.5.0-alpha.59 -> 6.5.0-alpha.60
@storybook/core	6.5.0-alpha.59 -> 6.5.0-alpha.60
@storybook/react	6.5.0-alpha.59 -> 6.5.0-alpha.60
@storybook/theming	6.5.0-alpha.59 -> 6.5.0-alpha.60

---

Release Notes

storybookjs/storybook

v6.5.0-alpha.60

Compare Source

Features

• Core: Add story preloading to optimize lazy compilation (#​17903)

Bug Fixes

• UI: Fix pseudo class potential unsafe warning (#​17911)
• Core: Fix user-supplied project-level render in v6 store (#​17885)

Dependency Upgrades

• Upgrade polished to 4.2.2 (#​17913)
• Bump min vue-loader dependency version (#​17912)

---

Configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

---

• If you want to rebase/retry this PR, click this checkbox.

---

This PR has been generated by WhiteSource Renovate. View repository job log here.